7-74
MAINTENANCE
Check Hoses and Lines
---daily
--- every 250 hours
d
WARNING:
Hydraulic oil and lubricant leaks can lead to fire that
may result in serious injury. Check for missing or
loose clamps, kinked hoses, lines or hoses that rub
against each other, damaged oil cooler, and loose oil
cooler flange bolts, for leaks.
Escaping oil under pressure can penetrate the skin
causing serious injury. To avoid this hazard, search
for oil leaks with a piece of cardboard. Take care to
protect hands and body from high-pressure fluids.
If an accident occurs, see a doctor familiar with this
type of injury immediately.
Tighten, repair or replace any missing, loose or
damaged clamps, hoses and lines.
Do not bend or strike high-pressure lines.
Never install bent or damaged hoses or lines.
According to the check points shown below, check hoses and
lines for oil leaks and damage.
If any abnormality is found, replace or retighten as instructed
in the table.
Hose
Interval
(hours)
Check Points Abnormalities Remedies
Daily Hose covers Leak (1) Replace
Hose ends Leak (2) Replace
Fittings Leak (3) Retighten or replace hose
or O-ring
SA-031
SA-292
SA-044
3
2
1
23
M137-07-008
1
23
3
2
M115-07-145
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